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Reconstruction of a Non-binary Block Code from an Intercepted Sequence with Application to Reed-Solomon Codes Adel ZAHEDI Gholam-Reza MOHAMMAD-KHANI Publication IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E95-A No.11 pp.1873-1880 Publication Date: 2012/11/01 Online ISSN: 1745-1337 DOI: 10.1587/transfun.E95.A.1873 Print ISSN: 0916-8508 Type of Manuscript: Special Section PAPER (Special Section on Signal Design and Its Applications in Communications) Category: Sequences Keyword: non-binary block codes, Reed-Solomon codes, encoder reconstruction, cognitive radio, Full Text: PDF(3MB)>>
Summary: In this paper, a method is proposed for reconstruction of the parameters of a non-binary block encoder using an intercepted sequence of noisy coded data. The proposed method is a generalization of the Barbier's method for the reconstruction of binary block codes to the more problematic case of non-binary codes. It has been shown mathematically that considering some revisions in definitions, such a generalization is possible. The proposed method is able to estimate the code parameters such as the code length, the code dimension, number of bits per symbol, and the dual-code subspace, and also to synchronize the sequence. Since the Reed-Solomon code is the most important type of non-binary block codes, an additional method is proposed to reconstruct the generator polynomial in the case of Reed-Solomon codes. The proposed method is evaluated via computer simulations which verify its strength and effectiveness. | ||||||||||
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